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प्रश्न
The property of splitting of white light into its seven constituent colours is known as
विकल्प
rectilinear propagation
refraction
reflection
dispersion
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उत्तर
dispersion
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संबंधित प्रश्न
Describe an activity to show that colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism. Also draw ray diagram to show the recombination of the spectrum of white light.
Fill in the blank with suitable word:
When a ray of light enters a prism, it bends ................ the normal ; as it leaves the prism, it bends ................. the normal.
When a beam of white light is passed through a prism, it splits to form lights of seven colours. Is it possible to recombine the lights of seven colours to obtain the white light again? Explain your answer.
Which is refracted most by a prism : red light or violet light? Explain why?
What are the seven colours seen in a rainbow?
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
A wave has wavelength 50Å of State the speed in vacuum.
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
Draw a neat and labelled diagram for dispersion of light.
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
